Plate 19. 



I"iG. 1. Lingulina carinata. X25. Front view of microspheric specimen 

 showing early coiling. From 40 fathoms oft Ajax Reef, Florida. 



2. Lingulina carinata. X200. Front view. After Herou-AUen and 



Earland. 



3. Cristellaria marginnlinokles. X30. Side view. D2313. 

 4,5. Cristellaria albatroftsi. X15. Side views. D2203. 



197 



